CadParamPluging/Cad/Drawers/ShaftRawFreeForgeRoundShaftGenerator.cs

using CadParamPluging.Common;
using CadParamPluging.Domain.Models;
using Autodesk.AutoCAD.Geometry;

namespace CadParamPluging.Cad
{
    public sealed class ShaftRawFreeForgeRoundShaftGenerator : ITemplateDrawingGenerator
    {
        // 对应 TemplateSchemaDefaults.cs 中的定义
        // ProjectType = "毛料态", DrawingType = "自由锻", SheetSize = "轴杆", Scale = "圆轴"
        // 这里的 Scale 对应 SpecialCondition
        public static readonly string Key = TemplateKeyBuilder.Build("毛料态", "自由锻", "轴杆", "圆轴");

        public string TemplateKey => Key;

        public FeatureDrivenDrawer.ExpectedDrawingSize CalculateExpectedSize(ParamBag bag, TemplateParams templateParams)
        {
            var d = bag.GetDoubleOrNull(FeatureDrivenDrawer.KeyDiameter) ?? 0;
            var l = bag.GetDoubleOrNull(FeatureDrivenDrawer.KeyLength) ?? 0;

            // 根据用户要求：直径是图纸宽度，长度是图纸高度
            double activeWidth = d;
            double activeHeight = l;

            var extraMargin = 40;
            
            return new FeatureDrivenDrawer.ExpectedDrawingSize
            {
                Width = activeWidth + extraMargin * 2,
                Height = activeHeight + extraMargin * 2
            };
        }

        public void Draw(CadContext ctx, ParamBag bag, TemplateParams templateParams, Point3d center, double scaleFactor)
        {
            ShaftRawFreeForgeRoundShaftDrawer.Draw(ctx, bag, center, scaleFactor);
        }
    }
}